BBB Industries 11378 Alternator

Reman Alternator for Ram HD Charging Systems

BBB Industries REMAN ALTERNATOR 11378 is a remanufactured 12-volt alternator built for select Ram heavy-duty truck applications with Nippondenso-style charging systems. It delivers 160 amps and uses an external voltage regulator, serpentine belt drive, and clutch pulley design for direct-fit replacement in the listed vehicles.

This BBB Industries REMAN ALTERNATOR line focuses on OE-style electrical replacement parts for charging and starting repairs. Part number 11378 is built around the original equipment layout, including clockwise rotation, internal fan cooling, and an 8-groove pulley configuration.

Key Features

• 160-amp amperage rating for factory-style charging output
• 12-volt alternator with negative polarity
• OE manufacturer reference: Nippondenso
• External voltage regulator type
• Clutch pulley included; decoupled pulley design
• Serpentine belt pulley with 8 grooves
• Internal fan and air cooling method
• Clockwise rotation
• Plug clock position: 10
• Outside pulley diameter: 2-1/4 in. (57 mm)

Detailed Description

BBB Industries 11378 is a reman alternator for Ram 2500 and Ram 3500 trucks equipped with the specified Nippondenso unit. It is engineered for vehicles that use an external regulator and a serpentine belt drive, making it a practical replacement for charging-system service on 2007-2013 Ram HD applications. This part cross-references ACDelco 421000-0510 and 04801311AD for the same application.

Compatible With 2013 Ram 2500, N/A; 2013 Ram 3500, N/A; 2011-2012 Ram 2500, N/A; 2011-2012 Ram 3500, N/A; 2009-2010 Dodge Ram 2500, N/A; 2009-2010 Dodge Ram 3500, N/A; 2007-2008 Dodge Ram 2500, N/A; 2007-2008 Dodge Ram 3500, N/A.

What It Helps Address

• Low battery charging caused by alternator wear
• Battery warning light concerns related to charging output
• Dim lights or electrical instability at idle or under load
• Noise or pulley-related charging system issues
• Failure of the original Nippondenso-style alternator

Installation Notes and Tips

Verify the vehicle uses the listed Nippondenso unit, 160-amp output, external regulator, and 8-groove serpentine pulley before installation. Confirm plug clock position 10, clockwise rotation, and pulley style match the original unit on the Ram 2500 or Ram 3500. 2013 Ram 2500 and 2013 Ram 3500 applications exclude dual alternator systems.

Quality Assurance

BBB Industries remanufactured electrical components are built for OE-style replacement use in charging-system repairs. Part number 11378 is remanufactured to match the listed application requirements for Ram and Dodge Ram HD trucks.